River WA

Middle Branch Elk River

Washington • 46.8025, -123.9655

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

3 mi

5 km

Elevation

296′ → 31′

266 ft drop

Stream Order

Medium River

Slope

1.51%

80.0 ft/mi

Drainage

2 mi²

6 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

18 mi

29 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

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Data from USGS & NOAA for informational purposes only. Read source and safety notes

Rain Radar